

return {

-- 一个函数
  config = function()
    local status, _ = pcall(require, "nvim-treesitter")
    if not status then
      return
    end

-- 这是环境变量

  --关于代码折叠
  vim.wo.foldmethod = 'expr'
  vim.wo.foldexpr = 'v:lua.vim.treesitter.foldexpr()'




--对treesitter插件的配置
--
require'nvim-treesitter.configs'.setup {
  -- A list of parser names, or "all" (the listed parsers MUST always be installed)
  ensure_installed = { "c", "lua", "vim", "vimdoc", "query", "markdown", "markdown_inline" },

  -- Install parsers synchronously (only applied to `ensure_installed`)
  sync_install = false,

  -- Automatically install missing parsers when entering buffer
  -- Recommendation: set to false if you don't have `tree-sitter` CLI installed locally
  auto_install = true,

  -- List of parsers to ignore installing (or "all")
  ignore_install = { "" },

  ---- If you need to change the installation directory of the parsers (see -> Advanced Setup)
  -- parser_install_dir = "/some/path/to/store/parsers", -- Remember to run vim.opt.runtimepath:append("/some/path/to/store/parsers")!

  highlight = {
    enable = true,

    -- NOTE: these are the names of the parsers and not the filetype. (for example if you want to
    -- disable highlighting for the `tex` filetype, you need to include `latex` in this list as this is
    -- the name of the parser)
    -- list of language that will be disabled
    disable = {},
    -- Or use a function for more flexibility, e.g. to disable slow treesitter highlight for large files
--    disable = function(lang, buf)
--        local max_filesize = 100 * 1024 -- 100 KB
--        local ok, stats = pcall(vim.loop.fs_stat, vim.api.nvim_buf_get_name(buf))
--        if ok and stats and stats.size > max_filesize then
--            return true
--        end
--    end,

    -- Setting this to true will run `:h syntax` and tree-sitter at the same time.
    -- Set this to `true` if you depend on 'syntax' being enabled (like for indentation).
    -- Using this option may slow down your editor, and you may see some duplicate highlights.
    -- Instead of true it can also be a list of languages
    additional_vim_regex_highlighting = false,
  },



  -- 关于自动缩进
    indent = {
    enable = true
  },


  --关于增量选择
    incremental_selection = {
    enable = true,
    keymaps = {
      init_selection = "gnn", -- set to `false` to disable one of the mappings
      --node_incremental = "grn",
      node_incremental = "<CR>",
      scope_incremental = "grc",
      --node_decremental = "grm",
      node_decremental = "<BS>",
    },
  },

}



-- 这是之前的

  end,

}



